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| 渗流机理 | |||
| 流动机理 | |||
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flow mechanism : 22 phrases in 11 subjects |
| Business | 3 |
| Economy | 5 |
| Explosives and Explosive Ordnance Disposal | 2 |
| Finances | 2 |
| Hydroelectric power stations | 1 |
| International trade | 1 |
| Metallurgy | 2 |
| Oil / petroleum | 1 |
| Securities | 2 |
| Space | 1 |
| Technology | 2 |
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